[Iaude] MPEC U269: 2023 UO9 [a=0.85,e=0.21,i=4.3,H=22.4]

Thu Oct 26 10:32:42 EDT 2023

M.P.E.C. 2023-U269                             Issued 2023 October 26, 14:31 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.
			  
             Prepared using the Tamkin Foundation Computer Network

                              MPC at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2023 UO9                                    


Observations:
     K23U09O*1C2023 10 22.48960408 52 22.202+35 53 35.74         21.97GVEU269G96
     K23U09O 1C2023 10 22.49482508 52 22.649+35 53 41.50         21.24GVEU269G96
     K23U09O 1C2023 10 22.50005008 52 23.045+35 53 48.01         21.06GVEU269G96
     K23U09O 1C2023 10 22.50526808 52 23.495+35 53 54.71         22.05GVEU269G96
     K23U09O KC2023 10 23.44309008 53 54.762+36 11 30.66         21.78GVEU269V06
     K23U09O KC2023 10 23.44648808 53 55.043+36 11 35.34         21.90GVEU269V06
     K23U09O KC2023 10 23.44988608 53 55.349+36 11 40.27         22.33GVEU269V06
     K23U09O KC2023 10 23.45328408 53 55.594+36 11 43.40         21.89GVEU269V06
     K23U09O  C2023 10 23.49591608 53 58.990+36 12 35.91         21.8 GVEU269H01
     K23U09O  C2023 10 23.50005908 53 59.354+36 12 40.80         21.7 GVEU269H01
     K23U09O  C2023 10 23.50741708 53 59.898+36 12 49.65         21.7 GVEU269H01
     K23U09O  C2023 10 23.51681008 54 00.646+36 13 00.87         21.7 GVEU269H01
     K23U09O  C2023 10 26.47930908 58 59.992+37 09 49.13         20.7 GVEU269H01
     K23U09O  C2023 10 26.48453908 59 00.450+37 09 55.95         21.0 GVEU269H01
     K23U09O  C2023 10 26.48888308 59 00.818+37 10 01.25         20.8 GVEU269H01
     K23U09O  C2023 10 26.49433408 59 01.297+37 10 08.12         20.9 GVEU269H01
     K23U09O KC2023 10 26.50739808 59 02.634+37 10 24.74         20.92GVEU269I52
     K23U09O KC2023 10 26.51996208 59 03.685+37 10 40.37         21.24GVEU269I52
     K23U09O KC2023 10 26.52383908 59 04.016+37 10 45.34         21.00GVEU269I52

Observer details:
G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  Measurers E. C. Beshore, D.
    Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J.
    K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer K. W. Wierzchos.
    Measurers E. C. Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G.
    J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
    prime focus + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer J. B. Fazekas.  Measurers E. C.
    Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
    Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
    Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.55-m reflector +
    1K CCD.

Orbital elements:
2023 UO9                                                 Earth MOID = 0.0546 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M  85.18104              (2000.0)            P               Q                  
n   1.26331806     Peri.  260.41496     -0.34940925     +0.93686183             
a   0.8474763      Node   349.10142     -0.82738100     -0.31564417             
e   0.2137984      Incl.    4.32274     -0.43972021     -0.15052799             
P   0.78           H   22.45          G   0.15           U   9                  
Residuals in seconds of arc
231022 G96  0.3-  0.4+    231023 V06  0.9-  0.2+    231026 H01  0.0   0.2-
231022 G96  0.1+  0.1-    231023 H01  0.2+  0.6+    231026 H01  0.1+  0.1-
231022 G96  0.1-  0.1+    231023 H01  0.6+  0.4+    231026 I52  0.1+  0.2-
231022 G96  0.4+  0.5+    231023 H01  0.1+  0.4+    231026 I52  0.1-  0.1-
231023 V06  0.5-  0.3+    231023 H01  0.1+  0.4+    231026 I52  0.0   0.1+
231023 V06  0.6-  0.7+    231026 H01  0.0   0.3-
231023 V06  0.4-  1.4+    231026 H01  0.1+  0.1-

Ephemeris:
2023 UO9                 a,e,i = 0.85, 0.21, 4                   q = 0.6663
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 26    08 28 08.9 +27 20 47   0.2037  0.9179    60.0   109.0    22.9
...
2023 10 11    08 36 47.7 +32 21 25   0.1993  0.9638    74.3    94.3    22.2
...
2023 10 19    08 47 01.4 +34 48 38   0.1927  0.9837    80.7    88.2    21.9
...
2023 10 25    08 56 26.5 +36 41 16   0.1858  0.9963    85.2    84.1    21.7
2023 10 26    08 58 08.4 +37 00 32   0.1845  0.9982    85.9    83.5    21.7
2023 10 27    08 59 52.5 +37 20 00   0.1832  1.0001    86.6    82.9    21.7
...
2023 11 02    09 11 00.7 +39 22 02   0.1743  1.0100    90.8    79.3    21.4
...
2023 11 10    09 27 41.2 +42 26 11   0.1605  1.0200    96.0    74.9    21.1
...
2023 11 25    10 05 19.6 +50 07 14   0.1307  1.0285   104.8    68.1    20.5

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U269